Home / 71,417.16-98,556.68-39,154.82

Finding the Fourth Proportional to 71,417.16, 98,556.68 and 39,154.82

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Solution

The fourth proportional to 71,417.16, 98,556.68 and 39,154.82 is: 54,034.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,417.16 : 98,556.68 = 39,154.82 : x
  2. Step 2: Convert to fraction form
    71,417.16/98,556.68 = 39,154.82/x
  3. Step 3: Cross multiply
    71,417.16x = 98,556.68 × 39,154.82
  4. Step 4: Simplify right side
    71,417.16x = 3,858,968,376.64
  5. Step 5: Solve for x
    x = 3,858,968,376.64/71,417.16
  6. Step 6: Final answer
    x = 54,034.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.